mirror of
https://github.com/python/cpython.git
synced 2024-11-21 12:59:38 +01:00
142 lines
3.7 KiB
Python
142 lines
3.7 KiB
Python
# Python test set -- part 2, opcodes
|
|
|
|
import unittest
|
|
from test import support
|
|
from test.typinganndata import ann_module
|
|
|
|
class OpcodeTest(unittest.TestCase):
|
|
|
|
def test_try_inside_for_loop(self):
|
|
n = 0
|
|
for i in range(10):
|
|
n = n+i
|
|
try: 1/0
|
|
except NameError: pass
|
|
except ZeroDivisionError: pass
|
|
except TypeError: pass
|
|
try: pass
|
|
except: pass
|
|
try: pass
|
|
finally: pass
|
|
n = n+i
|
|
if n != 90:
|
|
self.fail('try inside for')
|
|
|
|
def test_setup_annotations_line(self):
|
|
# check that SETUP_ANNOTATIONS does not create spurious line numbers
|
|
try:
|
|
with open(ann_module.__file__, encoding="utf-8") as f:
|
|
txt = f.read()
|
|
co = compile(txt, ann_module.__file__, 'exec')
|
|
self.assertEqual(co.co_firstlineno, 1)
|
|
except OSError:
|
|
pass
|
|
|
|
def test_default_annotations_exist(self):
|
|
class C: pass
|
|
self.assertEqual(C.__annotations__, {})
|
|
|
|
def test_use_existing_annotations(self):
|
|
ns = {'__annotations__': {1: 2}}
|
|
exec('x: int', ns)
|
|
self.assertEqual(ns['__annotations__'], {1: 2})
|
|
|
|
def test_do_not_recreate_annotations(self):
|
|
# Don't rely on the existence of the '__annotations__' global.
|
|
with support.swap_item(globals(), '__annotations__', {}):
|
|
globals().pop('__annotations__', None)
|
|
class C:
|
|
try:
|
|
del __annotations__
|
|
except NameError:
|
|
pass
|
|
x: int
|
|
self.assertEqual(C.__annotations__, {"x": int})
|
|
|
|
def test_raise_class_exceptions(self):
|
|
|
|
class AClass(Exception): pass
|
|
class BClass(AClass): pass
|
|
class CClass(Exception): pass
|
|
class DClass(AClass):
|
|
def __init__(self, ignore):
|
|
pass
|
|
|
|
try: raise AClass()
|
|
except: pass
|
|
|
|
try: raise AClass()
|
|
except AClass: pass
|
|
|
|
try: raise BClass()
|
|
except AClass: pass
|
|
|
|
try: raise BClass()
|
|
except CClass: self.fail()
|
|
except: pass
|
|
|
|
a = AClass()
|
|
b = BClass()
|
|
|
|
try:
|
|
raise b
|
|
except AClass as v:
|
|
self.assertEqual(v, b)
|
|
else:
|
|
self.fail("no exception")
|
|
|
|
# not enough arguments
|
|
##try: raise BClass, a
|
|
##except TypeError: pass
|
|
##else: self.fail("no exception")
|
|
|
|
try: raise DClass(a)
|
|
except DClass as v:
|
|
self.assertIsInstance(v, DClass)
|
|
else:
|
|
self.fail("no exception")
|
|
|
|
def test_compare_function_objects(self):
|
|
|
|
f = eval('lambda: None')
|
|
g = eval('lambda: None')
|
|
self.assertNotEqual(f, g)
|
|
|
|
f = eval('lambda a: a')
|
|
g = eval('lambda a: a')
|
|
self.assertNotEqual(f, g)
|
|
|
|
f = eval('lambda a=1: a')
|
|
g = eval('lambda a=1: a')
|
|
self.assertNotEqual(f, g)
|
|
|
|
f = eval('lambda: 0')
|
|
g = eval('lambda: 1')
|
|
self.assertNotEqual(f, g)
|
|
|
|
f = eval('lambda: None')
|
|
g = eval('lambda a: None')
|
|
self.assertNotEqual(f, g)
|
|
|
|
f = eval('lambda a: None')
|
|
g = eval('lambda b: None')
|
|
self.assertNotEqual(f, g)
|
|
|
|
f = eval('lambda a: None')
|
|
g = eval('lambda a=None: None')
|
|
self.assertNotEqual(f, g)
|
|
|
|
f = eval('lambda a=0: None')
|
|
g = eval('lambda a=1: None')
|
|
self.assertNotEqual(f, g)
|
|
|
|
def test_modulo_of_string_subclasses(self):
|
|
class MyString(str):
|
|
def __mod__(self, value):
|
|
return 42
|
|
self.assertEqual(MyString() % 3, 42)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|